HARFINGTON 4pcs 5mm Drill Stop Collar Set Depth Stop, Adjustable Stainless Steel Drilling Limit Ring, Anodizing Surface Dowel Shaft Chuck Positioner with Hex Wrench, Silver

This drill bit stop ensures consistent drilling depth around the drill bits, eliminating the need for tape or marking on the bits. Achieve precise and accurate drilling depths effortlessly.Suitable for use on machinery shaft instruments or woodworking tools, this drill depth stop acts as a reliable bit limit ring. It provides flexibility and convenience for different drilling projectsSimply select the appropriate size drill bit depth stop and slide it onto the desired depth of the drill bit. Align the locking screw with the land (body) of the drill stop and tighten firmly with the hex wrench.This drill bit stop collar is primarily used for fixed limit drilling depth, ensuring accurate drilling every time. The screw-type collar design allows for easy installation without damaging the bit.Drill bit stopper works well with twist bit, brad-point bit, masonry drill, rivet drill, and woodworking bits, making it suitable for drilling wood, plastic, wall, and other materials.Usage Instructions:1. Measure the diameter of the drill bit you want to use2. Choose a drill bit stop collar according to your bit size3. Install the drill bit stop on the drill to your desired drilling depth4. Align the locking screw with the land (body) of the drill stop, and tighten the screw firmly.4. Begin drilling holes at the same consistent depth